package utils;



//IO工具类
public class IOUtil {
    private IOUtil(){}

    public static Object readFile(String filePath) {
        return null;
    }

    // 将字符串写入文件
    public static void writeFile(String filePath, String content) {

    }

    // 追加字符串到文件末尾
    public static void appendToFile(String filePath, String content) {

    }
}
